band hero help

Hi,
I recently bought the whole band hero package and the game says it needs an update to play it. I am on system 4.1 and am afraid to upgrade and lose all my mods. Do I have and options around this or is it ok to upgrade. Also can i just download the game and put it on my usb and load it that way. Any help would be much appreciated.

Sounds like you need an IOS installed
The update is not a System Menu update as I am pretty sure there are no games out with the 4.2 system menu update. So probably just the required IOS ( i sill would never update from the disc )
Research Guitar Hero 5 it is the same FIX.